Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The equation of the parabola with vertex at 
and focus 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
: Let 
be the vertex and 
the focus. Let the axis meets the directrix at 
.
Let the coordinates of 
be 
. Since 
is the
mid point of 
, we have
and 
and 
.
Coordinates of 
are 
.
Slope of 
is a horizontal line.
The directrix is a vertical line and it passes through 
. The equation of directrix is 
. i.e., 
.
Let 
be a general point on the parabola.
By definition, 
.
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